WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO… — A significant meteotsunami/seiche is ongoing on the St Mary's River, with a rise fall magnitude of ~4.0 ft over the last several hours.
At least another significant water level fall and rise is expected between 2:30 AM and 6:30 AM. Largest changes in water levels...up to 3 feet or more...can be expected on upper portions of the river from Point Iroquois to the locks at Sault Ste. Marie. Water level changes up to one foot can be expected from below the Soo Locks to Munuscong Lake.
Mariners sh
Local conditions in Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI; St. Marys River Point Iroquois to E. Potagannissing Bay may affect travel, public safety, or daily routines. Stay informed and adjust plans if conditions change.
This report is based on information from NWS, monitored by Alert USA's verified emergency feed.
Residents should be prepared for possible effects on travel, public safety, and daily routines while the situation remains active.
Recommended steps: stay informed via official sources; avoid non-essential travel in the area; secure outdoor items if weather is involved; check on family and neighbors.
Alert USA is tracking this developing situation and will update this report as verified information becomes available.
Verified by Alert USA • NWS